I need to level my engineering...

I'm still using my old JC and MgT trinket for tanking because my luck with the roll still sucks. How's Sonic Booster working out for the engineers here?
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It was a lot of fun, it procced a lot and the damage/threat increase was noticeable.. I've recently replaced it with Essence of Gossamer though.
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I am a sexy, shoeless God of War!